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Code index
0 Indoor or Outdoor code not assigned.
1 Outdoors only, grows weakly indoors.
2 Indoors OK, Outdoors OK, easy to grow.
3 Indoors OK, Outdoors OK in warm, well-drained position in mild areas.
4 Indoors OK, Outdoors OK only if protected from winter rain.
5 Indoors OK, Outdoors not OK.
6 Indoors OK but not for beginners, Outdoors not OK.
7 Winter grower. Needs water in winter, not summer.
A chance appearance at CC, this strong-growing thick chunky crest has a coral-like appearance. A plant for a pot, probably indoors.
4.Indoors OK, Outdoors OK only if protected from winter rain.
"Code": "4.Indoors OK, Outdoors OK only if protected from winter rain."
Related to E.stellata, but branches are less patterned and more triangular.
5.Indoors OK, Outdoors not OK.
"Code": "5.Indoors OK, Outdoors not OK."
Short straplike chevroned branches radiate from a turnip-like root which, in cultivation, should be raised to achieve a greater sense of satisfaction and wellbeing in the proud owner.
4.Indoors OK, Outdoors OK only if protected from winter rain.
"Code": "4.Indoors OK, Outdoors OK only if protected from winter rain."
Clump-forming short columns distinguished by the persisting branched rays of the inflorescence which are star-like, unusual and attractive, pink when fresh. Bright light for tight growth, outdoors is possible in mild areas.
4.Indoors OK, Outdoors OK only if protected from winter rain.
"Code": "4.Indoors OK, Outdoors OK only if protected from winter rain."
Silver Thicket, Madagascar's answer to the gorse bush. A slow grower. Grows best outdoors in a sunny, well drained frost-free position. OK in a pot but the green goes silver only in the sun. Trim lower branches for best trunkitude.
1.Outdoors only, (grows weakly indoors).
"Code": "1.Outdoors only, (grows weakly indoors)."
A densely branched cushion plant from South Africa which forms very tight compact mounds. Easy to grow but can be susceptible to excess humidity. Keep a bit on the dry side to be safe.
4.Indoors OK, Outdoors OK only if protected from winter rain.
"Code": "4.Indoors OK, Outdoors OK only if protected from winter rain."
One of the best, and the biggest, Medusa Head type. Looks great when flowering in brilliant yellow and the old branches dehisc nicely leaving a fab pineconiform central stem. Outdoors OK in a good position in a mild area. Indoors, it needs to be in the brightest light imaginable.
2.Indoors OK, Outdoors OK, easy to grow.
"Code": "2.Indoors OK, Outdoors OK, easy to grow."
South African, endangered. Globose stem to 150mm diameter, later occasionally offsetting. Not difficult in warm position in a pot. “...round fat plum puddings tied up in tartan cloths”.
4.Indoors OK, Outdoors OK only if protected from winter rain.
"Code": "4.Indoors OK, Outdoors OK only if protected from winter rain."
Angolan Tree Euphorbia, in Angola to 10m height. 3-5 angled deep green branches radiate in whorls from a round trunk. Outdoor capability unknown as yet, but well worth trying in mild areas.
4.Indoors OK, Outdoors OK only if protected from winter rain.
"Code": "4.Indoors OK, Outdoors OK only if protected from winter rain."
A world first, this hybrid was first bred in 1997, and released in 2006. Stunning short whitish columns, later variably offsetting. No spines. A pot subject for bright light or try it in a warm garden sheltered from winter rains.
4.Indoors OK, Outdoors OK only if protected from winter rain.
"Code": "4.Indoors OK, Outdoors OK only if protected from winter rain."
Called African Milk Tree, but unknown in the wild, even in Africa. Narrow shape and tolerant of low light, it suits house culture. Watch for thrips and red mite. Outdoors it sunburns and frosts easily, so ease it out gently.
3.Indoors OK, Outdoors OK in warm, well-drained position in mild areas.
"Code": "3.Indoors OK, Outdoors OK in warm, well-drained position in mild areas."
African Milk Tree. Narrow shape and tolerant of low light, it suits house culture. Watch for thrips and red mite. Outdoors it sunburns and frosts easily, so ease it out gently.
3.Indoors OK, Outdoors OK in warm, well-drained position in mild areas.
"Code": "3.Indoors OK, Outdoors OK in warm, well-drained position in mild areas."
One of the so-called 'Medusa Head Euphorbias', wherein branches radiate from a central caudex. Pot subject needing bright light for correct growth form.
4.Indoors OK, Outdoors OK only if protected from winter rain.
"Code": "4.Indoors OK, Outdoors OK only if protected from winter rain."
Bright red petioles and later a remarkable frosted club-shaped stem to 1 meter distinguish this Madagascan newcomer. Red flowers spring to autmn. Easy in a pot, but possibly touchy outdoors.
5.Indoors OK, Outdoors not OK.
"Code": "5.Indoors OK, Outdoors not OK."
A variegated form of Euphorbia lactea, grows with the same habit but coloured mostly in stunning white. (Note: inexplicably called 'Grey Ghost' in NZ, but correctly known elsewhere as 'White Ghost').
4.Indoors OK, Outdoors OK only if protected from winter rain.
"Code": "4.Indoors OK, Outdoors OK only if protected from winter rain."
Pallid like it evolved in an ice cave on a Death Star. Needs brightest light to keep away its ancestral melancholy. Outdoors OK in warmest best-drained spot, (in some areas may require move to new house to find the right spot).
4.Indoors OK, Outdoors OK only if protected from winter rain.
"Code": "4.Indoors OK, Outdoors OK only if protected from winter rain."
Recommended. Unusual landscaping groundcover to 60cm diameter. Many green branches radiate from central caudex. Lots of small yellow flowers often appear. Easy and quite tough.
1.Outdoors only, (grows weakly indoors).
"Code": "1.Outdoors only, (grows weakly indoors)."
Fascinatingly twisted like the fanciful green brain of an over-zealous environmentalist, this slowgrowing sport needs bright light in an indoors situation, and kept a bit drier in winter.
5.Indoors OK, Outdoors not OK.
"Code": "5.Indoors OK, Outdoors not OK."